Patent Assignment
Reel/Frame 024055/0330
Assignment of Assignor's Interest
Recorded: 2010-03-10
Pages: 6
Assignor
WINPHORIA NETWORKS, INC.
Executed: 2010-01-15
Assignee
SONUS NETWORKS, INC.
7 TECHNOLOGY PARK DRIVE, WESTFORD, MASSACHUSETTS, 01886
Covered Properties
(7)
System and Method of Mobility Management in a Mobile Communications Network Having a Proxy Switch
Patent:
6,801,771 →
Application:
09/721,327 →
System and Method of Managing Supplementary Features in the Presence of a Proxy Switch in a Mobile Communications Network
Patent:
6,714,777 →
Application:
09/721,332 →
System and Method of Preserving Point Codes in a Mobile Network Having a Proxy Switch
Patent:
6,650,909 →
Application:
09/721,563 →
System and Method of Siphoning Messages from a Mobile Network to an Alternative Network
Patent:
6,625,449 →
Application:
09/721,564 →
System and Method of Group Calling in Mobile Communications
System and Method of Managing Interconnections in Mobile Communications
System and Method of Handling Dormancy in Wireless Networks
Patent:
6,748,247 →
Application:
10/095,499 →
Related Assignments
(9)
Other recorded transfers of the patents in this record — the chain of ownership.
Security Interest
Sep 12, 2014
From: SONUS NETWORKS, INC.; SONUS FEDERAL, INC.; NETWORK EQUIPMENT TECHNOLOGIES, INC.; PERFORMANCE TECHNOLOGIES, INCORPORATED
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 033728/0409 →
Release of Security Interest
Oct 24, 2017
From: BANK OF AMERICA, N.A.
To: SONUS NETWORKS, INC.; SONUS FEDERAL, INC.; NETWORK EQUIPMENT TECHNOLOGIES, INC.; PERFORMANCE TECHNOLOGIES, INCORPORATED
Reel/Frame 044283/0361 →
Change of Name
Dec 24, 2017
From: SONUS, INC.
To: SONUS NETWORKS, INC.
Reel/Frame 044957/0213 →
Merger and Change of Name
Dec 24, 2017
From: SOLSTICE SAPPHIRE, INC.; SONUS NETWORKS, INC.; SONUS NETWORKS, INC.
To: SONUS, INC.
Reel/Frame 044957/0243 →
Security Interest
Jan 2, 2018
From: GENBAND US LLC; SONUS NETWORKS, INC.
To: SILICON VALLEY BANK, AS ADMINISTRATIVE AGENT
Reel/Frame 044978/0801 →
Change of Name
Jan 16, 2019
From: SONUS NETWORKS, INC.
To: RIBBON COMMUNICATIONS OPERATING COMPANY, INC.
Reel/Frame 048078/0036 →
Security Interest
Mar 3, 2020
From: RIBBON COMMUNICATIONS OPERATING COMPANY, INC.
To: CITIZENS BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 052076/0905 →
Termination and Release of Patent Security Agreement at R/F 044978/0801
Dec 6, 2021
From: SILICON VALLEY BANK, AS ADMINISTRATIVE AGENT
To: RIBBON COMMUNICATIONS OPERATING COMPANY, INC. (F/K/A GENBAND US LLC AND SONUS NETWORKS, INC.)
Reel/Frame 058949/0497 →
Release of Security Interest
Jun 24, 2024
From: CITIZENS BANK, N.A.
To: RIBBON COMMUNICATIONS OPERATING COMPANY, INC. (F/K/A GENBAND US LLC AND SONUS NETWORKS, INC.)
Reel/Frame 067822/0433 →